<template>
    <div class="search-box">
        <i class="icon-search"></i>
        <input ref="query" class="box" v-model="query" :placeholder="placeholder"/>
        <i @click="clear" v-show="query" class="icon-dismiss"></i>
    </div>
</template>

<script type="text/ecmascript-6">
  import {debounce} from 'common/js/util'

  export default {
    name: "search-box",// 搜索框
    props: {
      placeholder: {
        type: String,
        default: '搜索故事'
      }
    },
    data() {
      return {
        query: ''
      }
    },
    methods: {
      clear() {
        this.query = ''
      },
      setQuery(query) {
        this.query = query
      },
      blur() {
        this.$refs.query.blur()
      }
    },
    created() {
      this.$watch('query', debounce((newQuery) => { //自定义方法 debounce 延迟执行
        this.$emit('query', newQuery)
      }, 200))
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "~common/stylus/variable"

    .search-box
        display: flex
        align-items: center
        box-sizing: border-box
        width: 100%
        padding: 0 6px
        height: 40px
        background: $color-highlight-background
        border-radius: 6px
        .icon-search
            font-size: 24px
            color: $color-background
        .box
            flex: 1
            margin: 0 5px
            line-height: 18px
            background: $color-highlight-background
            color: $color-text
            font-size: $font-size-medium
            &::placeholder
                color: $color-text-d
        .icon-dismiss
            font-size: 16px
            color: $color-background
</style>